Home / 18,010.08-27,014.76-8,142.45

Finding the Fourth Proportional to 18,010.08, 27,014.76 and 8,142.45

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Solution

The fourth proportional to 18,010.08, 27,014.76 and 8,142.45 is: 12,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.08 : 27,014.76 = 8,142.45 : x
  2. Step 2: Convert to fraction form
    18,010.08/27,014.76 = 8,142.45/x
  3. Step 3: Cross multiply
    18,010.08x = 27,014.76 × 8,142.45
  4. Step 4: Simplify right side
    18,010.08x = 219,966,291.85
  5. Step 5: Solve for x
    x = 219,966,291.85/18,010.08
  6. Step 6: Final answer
    x = 12,213.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.